<template>
    <div class="app-container">

        <!-- 顶部 Header 区域 -->
        <mt-header fixed title="安宥真麻麻的空间">
			<span slot="left" @click="goBack">
				<mt-button icon="back" v-show="flag">返回</mt-button>
			</span>
		</mt-header>

        <!-- 中间的 路由 router-view 区域 -->
		<transition>
			<router-view></router-view>
		</transition>

        <!-- 底部 Tabbar 区域 -->
		<!-- mui 有现成的高亮类 mui-active -->
        <nav class="mui-bar mui-bar-tab">
			<router-link class="mui-tab-item-hmh" to="/home">
				<span class="mui-icon mui-icon-home"></span>
				<span class="mui-tab-label">首页</span>
			</router-link>
			<router-link class="mui-tab-item-hmh" to="/member">
				<span class="mui-icon mui-icon-contact"></span>
				<span class="mui-tab-label">会员</span>
			</router-link>
			<router-link class="mui-tab-item-hmh" to="/shopcar">
				<span class="mui-icon mui-icon-extra mui-icon-extra-cart">
					<span class="mui-badge" id="badge">{{ $store.getters.getAllCount }}</span></span>
				<span class="mui-tab-label">购物车</span>
			</router-link>   
			<router-link class="mui-tab-item-hmh" to="/search">
				<span class="mui-icon mui-icon-search"></span>
				<span class="mui-tab-label">搜索</span> 
			</router-link>
		</nav>
    </div>
</template>

<style scoped>
.mint-header{
	z-index: 999;
}

.app-container{
	/* 避免上下被遮挡 */
    padding-top: 40px;
	padding-bottom: 50px;
	overflow-x: hidden;
}

.v-enter{
	opacity: 0;
	transform: translateX(100%);
	
}

.v-leave-to{
	opacity: 0;
	transform: translateX(-100%);
	position: absolute;
}

.v-enter-active,
.v-leave-active{
	transition: all 0.5s ease; 
}

/* 改类名 */

.mui-bar-tab .mui-tab-item-hmh.mui-active {
    color: #007aff;
}

.mui-bar-tab .mui-tab-item-hmh {
    display: table-cell;
    overflow: hidden;
    width: 1%;
    height: 50px;
    text-align: center;
    vertical-align: middle;
    white-space: nowrap;
    text-overflow: ellipsis;
    color: #929292;
}

.mui-bar-tab .mui-tab-item-hmh .mui-icon {
    top: 3px;
    width: 24px;
    height: 24px;
    padding-top: 0;
    padding-bottom: 0;
}

.mui-bar-tab .mui-tab-item-hmh .mui-icon~.mui-tab-label {
    font-size: 11px;
    display: block;
    overflow: hidden;
    text-overflow: ellipsis;
}

</style>

<script>
export default{
	data(){
		return{
			flag: true
		}
	},
	methods: {
		goBack(){
			//点击后退
			this.$router.go(-1);
		}
	},
	watch: {
		"$route.path": function(newVal) {
			if (newVal === "/home") {
				this.flag = false;
			} else {
				this.flag = true;
			}
		}
	}
}
</script>